Home / 15,701,539.20-21,670,418.88-8,826,587.52

Finding the Fourth Proportional to 15,701,539.20, 21,670,418.88 and 8,826,587.52

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Solution

The fourth proportional to 15,701,539.20, 21,670,418.88 and 8,826,587.52 is: 12,181,980.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,701,539.20 : 21,670,418.88 = 8,826,587.52 : x
  2. Step 2: Convert to fraction form
    15,701,539.20/21,670,418.88 = 8,826,587.52/x
  3. Step 3: Cross multiply
    15,701,539.20x = 21,670,418.88 × 8,826,587.52
  4. Step 4: Simplify right side
    15,701,539.20x = 191,275,848,839,380.34
  5. Step 5: Solve for x
    x = 191,275,848,839,380.34/15,701,539.20
  6. Step 6: Final answer
    x = 12,181,980.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.